Release: 3.22 [19 Apr, 2018]
Edit book: Add a tool to upgrade books from EPUB 2 to EPUB 3 (Tools->Upgrade book internals)
Automatically upgrades metadata, converts the NCX table of contents and adds required manifest annotations
Add support for the FBZ format (zipped FB2)
Closes tickets: 1762634
Kindle driver: Change the height of generated thumbnails to 500px, needed for the Oasis 2017
Edit book: When bulk renaming files add an option to rename by the order in which the files appear in the book.
Polishing: Recognize titlepages that are marked as covers in the EPUB 3 landmarks section
Edit Book: Automatically updated the modified timestamp in the OPF when saving EPUB 3 books.
Remove the ISBNDB metadata plugin as ISBNDB no longer allows free lookups.
Closes tickets: 1761906
EPUB 3 metadata: If the book defines more than one author sort value for an author use the first instead of the last
Check Book: Dont warn for nav document not in spine in EPUB 3 books
Linux installer: Fix umask question not working with the recommended install command because stdin is a pipe
Browser viewer: Show an error message when trying to use the Sync function without being logged in
When setting cover from a PDF file and the user clicks cancel, do not delete the existing cover
New news sources
Le Monde: subscriber paper edition by Remi Vanicat
Improved news sources
Globe & Mail